Does anyone know what CFM these typically flow? Or can estimate?

Also, how do you power (red, black, yellow 3-pin connector) them without having to use a motherboard and power supply?
DasPachy Reviewed by DasPachy on . Comp case fan CFM Does anyone know what CFM these typically flow? Or can estimate? Also, how do you power (red, black, yellow 3-pin connector) them without having to use a motherboard and power supply? Rating: 5